Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/Proxies/GuezNasat/tcp_socket_handler.h

@@ -0,0 +1,38 @@
+
+
+
+#pragma once
+
+#include <QTcpServer>
+#include "logger.h"
+#include "abstract_socket_handler.h"
+
+namespace GuezNasat
+{
+class TcpSocketHandler : public AbstractSocketHandler
+{
+  Q_OBJECT
+public:
+  explicit TcpSocketHandler(QObject *parent = nullptr);
+
+  bool init(quint16 listenPort) override;
+  bool isConnected() const override
+  {
+    return !m_tcpSockets.isEmpty();
+  }
+protected:
+  bool sendTelegramInternal(const QByteArray &tele) override;
+  QByteArray parseBuffer(const QByteArray &buffer);
+  static bool findNextSyncStartByte(const QByteArray &buffer, int &iCurReadPos);
+  static bool findNextSyncEndByte(const QByteArray &buffer, int &iCurReadPos);
+
+private Q_SLOTS:
+  void onNewConnection();
+  void onTcpSocketDisconnected();
+  void onReadyRead();
+private:
+  QTcpServer *m_tcpSocketServer;
+  QHash<QTcpSocket *, QByteArray> m_tcpSockets;
+};
+
+}